| Acronym | Meaning |
| MTEM | Mechanical Maintenance Test Equipment |
| SSFGSS | Space Shuttle Flight And Ground System Specification |
| FCO | Final Checkout |
| EOHT | External Oxygen And Hydrogen Tanks |
| ISSL | Initial Spares Support List |
| GHC | Ground Half Coupling |
| CIU | Controller Interface Unit |
| DBE | Data Bus Element |
| RGAL | Rate Gyro Assembly-Left SRB |
| MDA | Maintainability Design Approach |